Paleontologists have recovered the dinosaur skull material from beds of the Upper Jurassic Villar del Arzobispo Formation in Teruel, Spain, and confidently assigned it to a stegosaurian species called Dacentrurus armatus. The skull of Dacentrurus armatus from the Villar del Arzobispo Formation in Teruel, Spain. Image credit: S. Sánchez-Fenollosa & A. Cobos, doi: 10.3897/vz.75.e146618. The name Stegosauria was first proposed in 1877 and the first...
